Full Stack Engineer

Location: Tel Aviv (IL)

Description

About Astelia

Astelia helps security teams dramatically reduce the volume of incidents generated by vulnerability management tools. We do this by building a deep, contextual understanding of our customers’ networks - turning noise into signal and enabling security teams to focus on what truly matters. We’re a small, fast-moving startup with great people who care about impact, craftsmanship, and each other.

About the Role

We're looking for an experienced Full Stack Engineer to join our growing team and take a key role in building and shaping our web application. You’ll own features end-to-end - from design and architecture through development, testing, and production - working directly with customers and stakeholders to deliver a world-class product.

What You Will Do

• Own and develop our web application end to end, spanning frontend and backend, from design through production
• Build rich, data-driven user interfaces and dashboards using Next.js and React
• Design and implement scalable backend services and APIs that power the Astelia platform
• Work with AWS infrastructure, including RDS and ClickHouse, to deliver high-performance data-driven features
• Collaborate closely with product, design, and customers to translate complex security workflows into intuitive experiences
• Participate in architectural decisions and help define technical direction as an early member of the engineering team
• Take full ownership and accountability for features and projects - from ideation to deployment and monitoring

Requirements

• B.Sc. in Computer Science, Software Engineering, or equivalent practical experience
• 5+ years of hands-on experience as a Full Stack Engineer
• Strong experience with React and modern JavaScript/TypeScript frameworks; Next.js experience is a strong advantage
• Solid backend skills - comfortable building APIs, services, and working with relational databases
• Experience with cloud environments, particularly AWS (RDS, S3, or similar services)
• Familiarity with analytical databases such as ClickHouse, BigQuery, or similar is a plus
• A product-oriented mindset - you care about the user experience and think beyond the code
• Strong problem-solving skills, sense of ownership, and the ability to thrive in a fast-paced startup environment
• Excellent communication and collaboration skills

Nice to Have

• Experience with cybersecurity products or security-adjacent SaaS platforms
• Familiarity with data visualization, dashboards, and analytics-heavy applications
• Experience working in early-stage startups

Why Astelia

• Real impact - your work directly helps security teams protect organizations
• Ownership culture - engineers drive features end-to-end, from design to production
• Small, talented team - work closely with great people who move fast and care deeply
• Diverse and inclusive environment where people come first